Properties of the Number 30843

Thirty Thousand Eight Hundred Forty-Three

Basics

Value: 30842 → 30843 → 30844

Parity: odd

Prime: No

Previous Prime: 30841

Next Prime: 30851

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 23 × 149

Divisors: 1, 3, 9, 23, 69, 149, 207, 447, 1341, 3427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111100001111011

Octal: 74173

Duodecimal: 15A23

Hexadecimal: 787b

Square: 951290649

Square Root: 175.6217526390168

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Numbers n such that π(n) = prime(d₁)*prime(d₂)* ... *prime(d_k), where d₁, d₂, ... d_k is the decimal expansion of n, and the zeroth prime is 1. A160040

1A coefficients in an expansion of the elliptic genus of the K3 surface. A169717

Number of graded lattices on n nodes. A278691

Number of nX4 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318064

[ exp(16/21)*n! ]. A30843